Home / 14,130.50-21,190.28-4,768.00

Finding the Fourth Proportional to 14,130.50, 21,190.28 and 4,768.00

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Solution

The fourth proportional to 14,130.50, 21,190.28 and 4,768.00 is: 7,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.50 : 21,190.28 = 4,768.00 : x
  2. Step 2: Convert to fraction form
    14,130.50/21,190.28 = 4,768.00/x
  3. Step 3: Cross multiply
    14,130.50x = 21,190.28 × 4,768.00
  4. Step 4: Simplify right side
    14,130.50x = 101,035,178.22
  5. Step 5: Solve for x
    x = 101,035,178.22/14,130.50
  6. Step 6: Final answer
    x = 7,150.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.